CVE-2019-8901 Security feature bypass in iOS and iPadOS
An attacker in a privileged network position can intercept SSH traffic from the Run script over SSH action due to missing host key verification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-8901?
CVE-2019-8901 is a medium-severity vulnerability in Apple Ipados, published on 27 Oct 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
This issue was addressed by verifying host keys when connecting to a previously-known SSH server. This issue is fixed in iOS 13.1 and iPadOS 13.1. An attacker in a privileged network position may be able to intercept SSH traffic from the “Run script over SSH” action.
Weakness: CWE-347
Which versions are affected by CVE-2019-8901?
It affects 2 products.
Products include Apple Ipados, Apple Iphone Os.
How do I fix CVE-2019-8901?
No fix has been published for CVE-2019-8901 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-8901 being exploited?
There is no known exploitation of CVE-2019-8901 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-4v9x-x766-gmm3.